Acrolein |
Synonyms & Trade Names Acraldehyde, Acrylaldehyde, Acrylic aldehyde, Allyl aldehyde, Propenal, 2-Propenal |
CAS No. 107-02-8 |
RTECS No. AS1050000 |
DOT ID & Guide 1092 131P (inhibited) |
FormulaCH2=CHCHO |
Conversion 1 ppm = 2.29 mg/m3 |
IDLH 2 ppm
See: 107028 |
Exposure Limits NIOSH REL: TWA 0.1 ppm (0.25 mg/m3) ST 0.3 ppm (0.8 mg/m3) See Appendix C (Aldehydes)
OSHA PEL†: TWA 0.1 ppm (0.25 mg/m3) |
Measurement Methods
NIOSH 2501;
OSHA 52
See: NMAM or OSHA Methods |
Physical Description Colorless or yellow liquid with a piercing, disagreeable odor. |
MW: 56.1 |
BP: 127°F |
FRZ: -126°F |
Sol: 40% |
VP: 210 mmHg |
IP: 10.13 eV |
Sp.Gr: 0.84 |
Fl.P: -15°F |
UEL: 31% |
LEL: 2.8% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. |
Incompatibilities & Reactivities Oxidizers, acids, alkalis, ammonia, amines [Note: Polymerizes readily unless inhibited--usually with hydroquinone. May form shock-sensitive peroxides over time.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, mucous membrane; decreased pulmonary function; delayed pulmonary edema; chronic resp disease |
Target Organs Eyes, skin, respiratory system, heart |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH/OSHA Up to 2 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0090 See MEDICAL TESTS: 0006 |
